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Resolved Maintain 2 different CAL in a webserver

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  1. Dan Ali
    Dan Ali
  2. PowerBuilder
  3. Monday, 28 March 2022 16:14 PM UTC

 Hi,

     we are currently using PB 2019 R3 2728 for our DEV/PROD and deployed the app with the name as APP_DEV using PowerClient CAL (19.2.0.2728 runtime)  in a webserver and it is working fine for dev.  Create an another instance in the same webserver as APP_TST and migrated the app to PB 2021 1506 and deployed using the PowerClient CAL (21.0.0.1506)  with the application name as  APP_TST . 

 

Now when I access the APP_TST URL - CAL 21.0.0.1506 is getting download and application get installed & Started but the desktop shortcut is creating as APP_DEV(2).  I checked the installed path and PB21 version exe files  deployed got downloaded.

When I access the APP_DEV URL - I am getting the below error message in the web browser 

 "Failed to find the appropriate Cloud App Launcher on the server that can support the application in its current start up mode. Please either upload the  correct launcher to the server, or user the other application start up mode, and try again." 

If I access the existing shortcut of APP_DEV(which is already installed), I am getting the latest deployed files and app works fine. 

Will CAL(21.0.0.1506) - works with both PB19 & PB21.

How to maintain 2 different version of CAL & PB exe  in same webserver(each has own path/folder PBAPPDEV and PBAPPTST) .  

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Dan Ali
Dan Ali Accepted Answer Pending Moderation
  1. Wednesday, 30 March 2022 13:08 PM UTC
  2. PowerBuilder
  3. # 1

I got it. somehow this settings got changed between Launcher Profile & Startup Mode. I fixed it and it works fine. 

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Wednesday, 30 March 2022 15:02 PM UTC
Hi Dan .. thank you for that great news & feedback! :-)
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Kai Zhao @Appeon
Kai Zhao @Appeon Accepted Answer Pending Moderation
  1. Tuesday, 29 March 2022 03:38 AM UTC
  2. PowerBuilder
  3. # 2

Hi Dan,

For the error message you get:
This is because the Web Server does not have a launcher that matches your application's startup mode, for example, you set the startup mode of the application in project > Client Deployment tab to "Start up with background service", however, you’ve only uploaded the Launcher without background Service (please refer to the article below for details about launcher types). I suggest you can upload both with/without background service to avoid this issue.
https://docs.appeon.com/ps2021/Upload_the_cloud_app_launcher_and_the_runtime_files2.html


For the CAL:
CAL 2021 is compatible with PowerClient 2019 application. CAL 2021 and CAL 2019 have the same name but different in versions. We suggest that you use CAL 2021.


For the app name:
You cannot just copy the app to another folder, the app name doesn’t change in this way; please create a new PowerClient project and use another app name, then deploy it to the web server.


Regards,
Kai

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Dan Ali
Dan Ali Accepted Answer Pending Moderation
  1. Tuesday, 29 March 2022 00:08 AM UTC
  2. PowerBuilder
  3. # 3

Yes we did in the same way but 2021 CAL works fine but 2019 CAL URL throws the error message that i mentioned in my questions. 

Is there any setting that I need to select in the Launcher Profile for both CAL?

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Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Monday, 28 March 2022 17:17 PM UTC
  2. PowerBuilder
  3. # 4

Hi Dan;

  No problem .. the two CAL versions can co-exist on the same web server. The key to remember is to redeploy the CAL if you apply any MR's to PB2019R3 and/or PB2021 to keep them up-to-date.  HTH

Regards ... Chris

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